Search a number
-
+
97428241 = 1742113613
BaseRepresentation
bin1011100111010…
…10001100010001
320210022212102101
411303222030101
5144420200431
613400120401
72262061231
oct563521421
9223285371
1097428241
114aaa5309
1228766101
1317253061
14cd21cc1
158847961
hex5cea311

97428241 has 8 divisors (see below), whose sum is σ = 103411944. Its totient is φ = 91472640.

The previous prime is 97428229. The next prime is 97428263. The reversal of 97428241 is 14282479.

It can be written as a sum of positive squares in 4 ways, for example, as 4016016 + 93412225 = 2004^2 + 9665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97428241 - 27 = 97428113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97428241.

It is not an unprimeable number, because it can be changed into a prime (97428271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (12926493).

Almost surely, 297428241 is an apocalyptic number.

It is an amenable number.

97428241 is a deficient number, since it is larger than the sum of its proper divisors (5983703).

97428241 is a wasteful number, since it uses less digits than its factorization.

97428241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051.

The product of its digits is 32256, while the sum is 37.

The square root of 97428241 is about 9870.5745020237. The cubic root of 97428241 is about 460.1452613071.

The spelling of 97428241 in words is "ninety-seven million, four hundred twenty-eight thousand, two hundred forty-one".

Divisors: 1 17 421 7157 13613 231421 5731073 97428241